From:  Synergistic anticancer efficacy of optimized curcumin-piperine loaded magnetic nanoparticles for the treatment of colorectal cancer

 Nanoparticle batches containing factor and response, along with their predicted and observed results.

RunIndependent variableDependent variable
A: Concentration of magnetite (%w/v)B: Concentration of coating solution (%w/v)C: Sonication time (minutes)R1: Particle size (nm)R2: Zeta potential (mV)R3: Encapsulation efficiency (%)
Observed valuePredicted valueObserved valuePredicted valueObserved valuePredicted value
10.25 (0)1 (0)45 (0)240.7 ± 0.31227.42–18.3 ± 0.058–18.9488.7 ± 0.1587.63
20.25 (0)1 (0)45 (0)242.7 ± 1.42227.42–19.1 ± 0.153–18.9488.5 ± 0.2587.63
30.1 (–1)1.5 (+1)45 (0)158.1 ± 1.31148.48–25.7 ± 0.458–25.8298.85 ± 0.7198.32
40.4 (+1)1.5 (+1)45 (0)279.4 ± 0.91285.26–17.4 ± 0.200–16.8084.43 ± 2.1085.17
50.25 (0)1 (0)45 (0)182.4 ± 0.59227.42–19.1 ± 0.208–18.9488.7 ± 2.5487.63
60.4 (+1)0.5 (–1)45 (0)390.6 ± 1.15400.21–10.4 ± 0.493–10.2860.88 ± 1.0461.41
70.25 (0)1 (0)45 (0)235.2 ± 1.16227.42–19.1 ± 0.153–18.9483.57 ± 1.7287.63
80.25 (0)0.5 (–1)30 (–1)355.9 ± 1.86353.88–16.6 ± 0.204–16.5672.57 ± 0.8272.44
90.25 (0)1 (0)45 (0)236.1 ± 2.52227.42–19.1 ± 0.153–18.9488.7 ± 1.4787.63
100.1 (–1)0.5 (–1)45 (0)298.6 ± 0.75292.73–21.7 ± 0.100–22.3085.8 ± 1.6785.06
110.25 (0)1.5 (+1)30 (–1)197.6 ± 0.51199.34–21.7 ± 0.200–22.1492.1 ± 1.9691.77
120.25 (0)0.5 (–1)60 (+1)291.2 ± 1.70289.46–18.7 ± 0.153–18.2674.11 ± 1.1074.44
130.4 (+1)1 (0)60 (+1)309.8 ± 1.08301.93–11.9 ± 0.180–12.4675.59 ± 0.5274.73
140.1 (–1)1 (0)60 (+1)175.6 ± 1.54183.20–23.7 ± 0.306–23.5494.45 ± 1.0894.85
150.25 (0)1.5 (+1)60 (+1)182.8 ± 1.21184.81–22.7 ± 0.115–22.7492.01 ± 0.2992.13
160.4 (+1)1 (0)30 (–1)352.4 ± 1.34344.80–11.7 ± 0.252–11.8675.67 ± 0.7575.27
170.1 (–1)1 (0)30 (–1)211.4 ± 1.67219.28–22.4 ± 0.265–21.8491.09 ± 1.2091.95